Question: What is the parent taxon and the habitat of Streptococcus?
Paraphrase: What is the habitat of Streptococcus and what is the parent taxon?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q190161 wdt:P171 ?ans_1 . wd:Q190161 wdt:P2974 ?ans_2 }
Answer: Streptococcaceae, human saliva